The Flanders Pre Pleat 40 LPD Series 80255.022525 High Capacity Pleated Filter is designed from recyclable materials to create an efficient and moisture-resistant filter to be used in a variety of applications including heating, air conditioning, and ventilation. These 25" x 25'' x 2" pleated filters are constructed with a MERV 8 rated synthetic media. The Pre Pleat 40 LPD filter is suitable for variable air systems from 0 to 500 FPM. It is designed with a low pressure drop and a high dust holding capacity to lengthen service life. The filters are UL 900 listed for flame resistance. Due to their pleated design, these filters will not collapse, warp, or bend in normal service. Pre Pleat 40 filters can be installed in PF-1 Holding Frames, K-Trac Framing Modules, Surepleat Side Access Housings, and similar hardware. They may be used as pre-filters for Precision Pak, Super Flow V, PrecisionCell, and Rigid Air filters.

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Q: Can a Pre Pleat 40 be cleaned by reverse flowing with water? How often do you recommend we change filters given that we live in Southern California?by Robert from California on May 06, 2016

A: I would not recommend cleaning the filter with water. You can attempt to vacuum it periodically, but the primary method of ensuring proper filter operation is regular replacement. Replacement frequency depends on use and contaminant levels is the space. I would suggest replacing the filters every 3 months at minimum, and more frequently if the system circulates air continuously.by Chris, Product Expert

Been using this filter for 10 years. Used to have to dust every month. Now it is more like every six months since I started using these. Excellent dust trapping.

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